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New Concrete Promises to Change Construction Forever: Using Industrial Waste, It Halves Cement Use

Written by Noel Budeguer
Published on 22/10/2024 at 10:42
construção - carbono - concreto - construção civil - emissões de carbono
Este concreto promete mudar a construção para sempre: usando resíduos industriais, reduz pela metade o uso de cimento e, em vez de água, utiliza CO2, o que o torna ainda mais ecológico
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Revolution In Construction! CO2-SUICOM Captures Carbon And Reduces Emissions. Discover How This Innovative Concrete Is Changing The Industry For The Better!

The construction industry is undergoing a true revolution with the development of more sustainable and less harmful materials for the environment. One of the most notable advances is CO2-SUICOM concrete, the world’s first capable of capturing carbon in its manufacturing process. Developed through a collaboration among companies such as Kajima, The Chugoku Electric Power Co., Denka, and Landes Co., this innovative material promises to drastically reduce carbon emissions in construction and could become a milestone on the path to carbon neutrality.

A New Approach To Sustainable Construction

CO2-SUICOM concrete’s main feature is its ability to capture carbon dioxide (CO2) during its production process, replacing traditional cement with industrial waste and other more eco-friendly materials. Each batch of CO2-SUICOM reduces cement usage by over 50%, resulting in a significant decrease in greenhouse gas emissions, primarily associated with the conventional cement manufacturing process. Additionally, instead of water, the concrete uses CO2 as a mixing agent, allowing carbon to be captured and locked in as the concrete hardens.

This new production process stands out for allowing concrete to be manufactured directly at construction sites, capturing CO2 emissions released by industrial plants and other sources of exhaust gases. This approach not only reduces emissions but also transforms concrete into a material that helps clean the air by capturing carbon dioxide, going beyond the concept of net-zero emissions to achieve negative emissions.

Environmental Impact of CO2-SUICOM In The Construction Industry

The environmental impact of CO2-SUICOM is impressive. While the traditional concrete manufacturing process generates about 288 kilograms of carbon emissions per cubic meter, CO2-SUICOM has the capability to capture 18 kilograms of carbon per cubic meter. This results in a total reduction of 306 kilograms of emissions per cubic meter of concrete, leading to negative carbon emissions (-18 kilograms), meaning that the concrete captures more carbon than it emits.

According to estimates, Japan consumes 91 million cubic meters of concrete annually. If this amount were replaced with CO2-SUICOM, it would be possible to reduce carbon emissions by 27.84 million tons. This volume is roughly equivalent to about a third of the amount of carbon dioxide that Japan’s forests capture in a year. Furthermore, the concrete would capture around 1.64 million tons of carbon, significantly contributing to the Japanese government’s carbon neutrality strategy, which aims to achieve this goal by 2050.

The technological innovation behind CO2-SUICOM is also an important advancement in industrial waste management. By using byproducts generated by other industrial sectors instead of traditional cement, this concrete not only reduces carbon emissions but also decreases the demand for natural resources, promoting a circular economy.

The Future Of Construction With Carbon Capture

With increasing urbanization and the need for infrastructure in various parts of the world, the concrete materials market is expected to reach an impressive $364 billion by 2028. However, instead of eliminating concrete use, the innovation represented by CO2-SUICOM offers a viable and more sustainable alternative for the construction sector. By capturing carbon dioxide and reducing cement use, this material not only minimizes environmental impact but also provides a practical solution for the continued construction industry in a world seeking to reduce its carbon emissions.

The hardening process of CO2-SUICOM is another interesting factor. Unlike conventional concrete, which hardens through a chemical reaction between cement and water, CO2-SUICOM uses a material called γ-C2S, which reacts with the carbon dioxide present in the air to harden. This means that the concrete can be exposed to locations with high levels of CO2 emissions, such as thermal power plants, where carbon-rich gases can be redirected to a capture chamber, trapping CO2 in the concrete as it hardens.

Outlook For CO2-SUICOM In Global Construction

The innovation of CO2-SUICOM opens doors to the future of sustainable construction on a global scale. As governments and companies around the world seek to reduce their carbon footprints, this new concrete may be an important ally in the fight against climate change. Countries committed to carbon neutrality goals, such as Japan, are already implementing strategies to incorporate carbon-capturing building materials into their sustainability policies.

Furthermore, with the potential to be used in large infrastructure projects such as bridges, buildings, and roads, CO2-SUICOM has the capability to become a standard solution for the construction industry in the near future. The combination of carbon capture, emission reduction, and the use of industrial waste positions this concrete as one of the most important innovations in the sector in recent years.

The world is increasingly aware of the need to reduce carbon emissions and minimize the environmental impact of human activities. With CO2-SUICOM, the construction sector, one of the largest carbon emitters, can finally take a significant step towards a greener and more sustainable future.

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Source: www.kajima.co.jp

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Noel Budeguer

Sou jornalista argentino baseado no Rio de Janeiro, com foco em energia e geopolítica, além de tecnologia e assuntos militares. Produzo análises e reportagens com linguagem acessível, dados, contexto e visão estratégica sobre os movimentos que impactam o Brasil e o mundo. 📩 Contato: noelbudeguer@gmail.com

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